1. The technology of efficient doping and sintering;Neugebauer,1989
2. Controlling the doping effect in the tungsten manufacturing process;Yamazaki,1989
3. Mechanisms of tungsten powder reduction;Lassner,1989
4. Structures and chemistry of tungsten powder from doped and undoped tungsten blue oxide
5. Hydrogen reduction of ammonium paratungstate into tungsten blue oxide—Part I: Literature review;van Put;Int. J. Refr. Metals & Hard Mater.,1991